Self-tracking rail



FIG. 1 is a front perspective view of a self-tracking rail, showing my new design;

FIG. 2 is a front elevation view, the rear elevation view being a mirror image thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front perspective view in an environment of use.

The claimed design is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.

The broken lines on FIGS. 1 through 6 show portions of the self-tracking rail, which form no part of the claimed design. The broken lines in FIG. 7 depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a self-tracking rail, as shown and described. 